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2212110212111 = 19116426853269
BaseRepresentation
bin100000001100001100000…
…010110001110000001111
321211110211202122001101222
4200030030002301300033
5242220400203241421
64412121314553555
7315551103362642
oct40141402616017
97743752561358
102212110212111
117831725aa648
122b887b2988bb
131307a77c5b17
14790d107ba59
153c81e6e2cab
hex2030c0b1c0f

2212110212111 has 4 divisors (see below), whose sum is σ = 2328537065400. Its totient is φ = 2095683358824.

The previous prime is 2212110212099. The next prime is 2212110212119. The reversal of 2212110212111 is 1112120112122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2212110212111 - 218 = 2212109949967 is a prime.

It is a super-3 number, since 3×22121102121113 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212110212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212110212119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58213426616 + ... + 58213426653.

It is an arithmetic number, because the mean of its divisors is an integer number (582134266350).

Almost surely, 22212110212111 is an apocalyptic number.

2212110212111 is a deficient number, since it is larger than the sum of its proper divisors (116426853289).

2212110212111 is a wasteful number, since it uses less digits than its factorization.

2212110212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116426853288.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2212110212111 its reverse (1112120112122), we get a palindrome (3324230324233).

The spelling of 2212110212111 in words is "two trillion, two hundred twelve billion, one hundred ten million, two hundred twelve thousand, one hundred eleven".

Divisors: 1 19 116426853269 2212110212111